EP0151753A3 - Method and device for monitoring the liquid level in a vehicle tank - Google Patents

Method and device for monitoring the liquid level in a vehicle tank Download PDF

Info

Publication number
EP0151753A3
EP0151753A3 EP84115378A EP84115378A EP0151753A3 EP 0151753 A3 EP0151753 A3 EP 0151753A3 EP 84115378 A EP84115378 A EP 84115378A EP 84115378 A EP84115378 A EP 84115378A EP 0151753 A3 EP0151753 A3 EP 0151753A3
Authority
EP
European Patent Office
Prior art keywords
monitoring
liquid level
vehicle tank
tank
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84115378A
Other languages
German (de)
Other versions
EP0151753A2 (en
EP0151753B1 (en
Inventor
Hans Dipl.-Ing. Schreiber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6227582&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0151753(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0151753A2 publication Critical patent/EP0151753A2/en
Publication of EP0151753A3 publication Critical patent/EP0151753A3/en
Application granted granted Critical
Publication of EP0151753B1 publication Critical patent/EP0151753B1/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296Acoustic waves
    • G01F23/2962Measuring transit time of reflected waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80Arrangements for signal processing

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
EP84115378A 1984-02-13 1984-12-13 Method and device for monitoring the liquid level in a vehicle tank Expired EP0151753B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843405080 DE3405080A1 (en) 1984-02-13 1984-02-13 METHOD AND DEVICE FOR MONITORING THE LIQUID VOLUME IN THE TANK OF A VEHICLE
DE3405080 1984-02-13

Publications (3)

Publication Number Publication Date
EP0151753A2 EP0151753A2 (en) 1985-08-21
EP0151753A3 true EP0151753A3 (en) 1985-09-18
EP0151753B1 EP0151753B1 (en) 1988-05-04

Family

ID=6227582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84115378A Expired EP0151753B1 (en) 1984-02-13 1984-12-13 Method and device for monitoring the liquid level in a vehicle tank

Country Status (2)

Country Link
EP (1) EP0151753B1 (en)
DE (2) DE3405080A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850226A (en) * 1988-02-08 1989-07-25 Pandel Instruments, Inc. Interface circuit for use in an echo ranging system
GB8805105D0 (en) * 1988-03-03 1988-03-30 Scan Technologies Ltd Improvements relating to instruments
BE1002682A3 (en) * 1988-12-29 1991-04-30 B & R Internat Method and device for measuring at least one parameter of a fluid in a tank
DE4014990A1 (en) * 1990-05-10 1991-11-14 Herbert Prof Dr Zott Liquid lever measurement arrangement - uses ultrasonic pulse reflection from surface and transition time measurement for use with moving or static liquid e.g. in vehicle fuel tank
US5880364A (en) * 1997-10-31 1999-03-09 Cosense, Inc. Non-contact ultrasonic micromeasurement system
SE9900369D0 (en) 1999-02-04 1999-02-04 Siemens Elema Ab Ultrasonic nebuliser
DE10005814A1 (en) * 2000-02-10 2001-08-16 Bedia Motorentechnik Gmbh Checking liquid level measured by electronic level sensor involves activating first display if level difference less than/equal to defined value, second display if greater than/equal to level
US8412473B2 (en) * 2011-04-11 2013-04-02 Schmitt Industries, Inc. Event monitoring and detection in liquid level monitoring system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1354415A (en) * 1963-04-01 1964-03-06 Burnett & Rolfe Ltd Advanced device for measuring the amount of liquid in a tank
GB1377054A (en) * 1973-07-24 1974-12-11 Ford Motor Co Vehicle fuel level indicating systems
US4306525A (en) * 1980-05-12 1981-12-22 General Motors Corporation Engine oil indicator
DE3032177A1 (en) * 1980-08-26 1982-03-11 Vega Vertrieb und Fertigung elektronischer Geräte und Apparate Grieshaber KG, 7620 Wolfach Time level measurement of sonic or ultrasonic transition - performs dead-time adjustment involving amplitude monitoring and gain variation
GB2100431A (en) * 1981-06-15 1982-12-22 Atomic Energy Authority Uk Detection of ultrasonic signals from disturbed liquid interfaces or surfaces
EP0094298A2 (en) * 1982-05-07 1983-11-16 Regie Nationale Des Usines Renault Method and apparatus for measuring the liquid level in a vehicle tank

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5784316A (en) * 1980-11-14 1982-05-26 Honda Motor Co Ltd Device for displaying engine oil level for automobile

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1354415A (en) * 1963-04-01 1964-03-06 Burnett & Rolfe Ltd Advanced device for measuring the amount of liquid in a tank
GB1377054A (en) * 1973-07-24 1974-12-11 Ford Motor Co Vehicle fuel level indicating systems
US4306525A (en) * 1980-05-12 1981-12-22 General Motors Corporation Engine oil indicator
DE3032177A1 (en) * 1980-08-26 1982-03-11 Vega Vertrieb und Fertigung elektronischer Geräte und Apparate Grieshaber KG, 7620 Wolfach Time level measurement of sonic or ultrasonic transition - performs dead-time adjustment involving amplitude monitoring and gain variation
GB2100431A (en) * 1981-06-15 1982-12-22 Atomic Energy Authority Uk Detection of ultrasonic signals from disturbed liquid interfaces or surfaces
EP0094298A2 (en) * 1982-05-07 1983-11-16 Regie Nationale Des Usines Renault Method and apparatus for measuring the liquid level in a vehicle tank

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, Band 6, Nr. 166 (P-138)[1044], 31. August 1982; & JP-A-57 084 316 (HODA GIKEN KOGYO K.K.) 26.05.1982 *

Also Published As

Publication number Publication date
DE3470951D1 (en) 1988-06-09
EP0151753A2 (en) 1985-08-21
DE3405080A1 (en) 1985-08-14
EP0151753B1 (en) 1988-05-04

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